It's been almost three decades since the rage virus escaped a biological weapons laboratory, and now, still in a ruthlessly enforced quarantine, some have found ways to exist amidst the infected. One such group of survivors lives on a small island connected to the mainland by a single, heavily-defended causeway. When one of the group leaves the island on a mission into the dark heart of the mainland, he discovers secrets, wonders, and horrors that have mutated not only the infected but other survivors as well.

Daryl washes ashore in France and struggles to piece together how he got there and why. The series tracks his journey across a broken but resilient France as he hopes to find a way back home. As he makes the journey, though, the connections he forms along the way complicate his ultimate plan.

The love story of Rick Grimes and Michonne is changed by a changed world. Kept apart by distance. By an unstoppable power. Can they find each other and who they were in a situation unlike any they've ever known?